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Thread: Any 24-PC users?

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    Any 24-PC users?

    I believed that the introduction of the new perspective control 24mm lens was a a long overdue and significant addition to the Nikon lens line. Surprisingly, there is little about the lens available on the 'net. Can anyone here give some hands-on feedback about the lens' handling and imaging. Anyone using the PC on a D300 - how easy is focusing and setting plane of focus? [I have extensive view-camera experience if that helps you 'pitch' your replies].

    I'd value your user experiences.

    .............. Chris

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    Re: Any 24-PC users?

    I use this lens on the D3 and Guy had it for a while on the D300. Great lens for my application which is stitching via shift left and right. Gives an equivalent FOV of about 14mm lens on the D3. Sharp, great color, easy as pie to focus using Live View. Hope this helps.

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    Re: Any 24-PC users?

    This is a great lens. If a PC is what you need you won't be unhappy with this one.

    Woody

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    Re: Any 24-PC users?

    Quote Originally Posted by David K View Post
    ... easy as pie to focus using Live View.....
    David and Woody - Thank you for replying.

    The 24mm focal length is an excellent one for D3 and D300 users needing 'shift', but initially my concern is it's use on the D300. If anyone can answer my query about it's manual in-viewfinder focusing ease on the D300 I'd be grateful. I gather that the D3 viewfinder is better than the D300, so I need someone's experience of setting tilt to change plane-of-focus [Scheimpflug - that spelling looks wrong] often the theory of plane-of-focus and the practice can be at odds because of the camera screen being used. Can tilt for plane-of-focus be accurately set with the D300 screen?

    The tilt option, factory set as it is has little use for landscape photographers shooting in 'landscape mode', has anyone had the tilt option re-set by 90 degrees for landscape shooting?

    Mr. Bjorn will no doubt eventually publish his review of the 24 PC, but until then I would welcome more user information from forum members.

    .................. Chris

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    Re: Any 24-PC users?

    Chris,
    Can't help you with the D300 screen issue. With regard to resetting the tilt option, the lens has this feature built in.

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    Re: Any 24-PC users?

    Chris

    I also have a D300 so when I come home this evening I will take a look to see the finder differences from the D3

    Woody

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    Re: Any 24-PC users?

    Quote Originally Posted by David K View Post
    Can't help you with the D300 screen issue. With regard to resetting the tilt option, the lens has this feature built in.
    David - Are you absolutely sure? From the reading I have done so far it is has always, to my knowledge, been reported that the tilt axis is factory-fixed [tilting around a vertical axis when the camera is in 'landscape' mode] and is not user-changeable. I hope you are right and I am wrong [I'm a landscape and architecture photographer] - can you please expand on your user experience?

    Woody - Thanks, I would appreciate you checking the lens on the D300. All contributions gratefully received.

    ................. Chris.
    Last edited by Chris C; 17th April 2008 at 13:14.

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    Re: Any 24-PC users?

    Chris: See here (it is the official word):
    http://imaging.nikon.com/products/im...35ed/index.htm

    The lens manual also says the same.

    BTW, it is probably a good idea to edit the title of your the thread to 24mm PC-E for future searches.

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    Re: Any 24-PC users?

    I have this lens. Once on the camera, via a small lever on the LHS, the entire lens can be rotated L and R, 90 degrees in both directions on the lens mount. This means you can choose to change the plane of focus in a horizontal or vertical sense. Shifting is similarly flexible. I have only tested this lens so far on the D3 (is it very sharp, and very low distortion).

    It's spelled "Scheimpflug", as you had it.

    It behaves like a 35mm TS lens on the D300, of course. This may be very useful for either very deep, or very shallow DOF for products. I may get a chance to shoot something with the D300 today and can report back on the capacity to see when the plane of focus is achieved. Stay tuned.

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    Re: Any 24-PC users?

    kit:
    i think he is talking about changing the tilt axis with respect to the shift axis, something that on the canon TS lenses you could do by unscrewing the flange mount and rotating it 90 degrees. for architecture, you would probably want shift up and down and tilt r/l, but for landscapes or products, shift up and down but tilt forward and back

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    Re: Any 24-PC users?

    Aha; thanks for that Jim. The fastest way to have that question answered would be for him to contact Nikon tech. The present setup work well for me, but it it were able to be changed easily, that would be even better.

    To DavidK: are you shifting the camera or the lens? I am making suitable marks on my Jasper Pano head that will allow the body to be shifted the right amount L and R as I shift the lens, so the lens axis does not change. Is this how you are doing it?

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    Re: Any 24-PC users?

    Kit,
    With the Nikon I am shifting the lens as this seems sufficient for my purpose... architectural interiors. One shift left, one right gives me an adequate FOV. When I'm shooting landscape I break out the MFDB and the RRS pano kit, find the lens nodal point (there's a tutorial on the RRS website IIRC) and go from there.

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    Re: Any 24-PC users?

    I haven't used this lens yet but I'm very interested in testing it on the D3. The D3 is primed to be a great architecture camera with this lens as well as the Zeiss primes.

    Cheers,

    Sean

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    Re: Any 24-PC users?

    Vivek - I followed the link and found; "Shift and tilt movement are at right angles" but "can be modified for a surcharge". I find myself struggling with this awkward description but still take it to be as in the example I gave earlier; that the axis of tilt and plane of shift are factory fixed to the disadvantage of landscape photographers wanting near-to-far Scheimpflug correction when shooting with the camera in 'landscape' orientation.

    Quote Originally Posted by kit laughlin View Post
    .....via a small lever on the LHS, the entire lens can be rotated L and R, 90 degrees in both directions on the lens mount. This means you can choose to change the plane of focus in a horizontal or vertical sense........may get a chance to shoot something with the D300 today....Stay tuned.
    Kit - But surely the the tilt axis, and the shift plane rotate equally and together? The tilt axis and shift plane surely cannot be rotated independently of one another? I will indeed stay tuned!

    Jim - Correct. I wasn't aware that with the Canon 24 shift the user could choose the orientation of tilt axis and shift plane; one would hope that it should have been a design prerequisite for Nikon - unless serious shifters are expected to have two versions of the lens.

    Sean - Perhaps like you, I was astonished that Nikon gave away the shift lens side of SLR photography for so many years to Canon. I think your speculation on the D3 and 24 PC-[E] may well prove to be correct and I would be very interested to read your review when you manage to test the combination.

    Thank you to all, but I'm still hungry for more information...........

    ............... Chris

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    Re: Any 24-PC users?

    Chris, If you think that the Nikon site gives an awkward description..

    ..the lens manual will shock you to the core.

    The short answer to your original question is that the the shift/tilt axis orientations can be be changed to suit your needs as is the case with the 85mm f/2.8 PC Nikkor.

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    Re: Any 24-PC users?

    Chris, yes:
    But surely the the tilt axis, and the shift plane rotate equally and together? The tilt axis and shift plane surely cannot be rotated independently of one another? I will indeed stay tuned!
    This is the case, as the lens comes to you. I really don't understand why, as a landscape photographer, you'd want to alter the shift and tilt axes—or does the architectural part come into play here? have to go now; let's explore this more later. cheers, KL

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    Re: Any 24-PC users?

    Well I've got the lens and you guys have me confused. There must be something more to the equation than I understand. Let's get David Farkas involved in this discussion, he should know. I'll send him an email.

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    Re: Any 24-PC users?

    to clarify: the shift and tilt axes are set at 90 degrees as shipped, but could be altered (by Nikon for a surcharge) to be co-axial.

    the setup can be rotated in 15 degree increments about the lens axis, so you can have front/back tilt for portrait-landscape orientation and in betweeen. (the shift will also rotate, staying at 90 degrees to the tilt axis)

    so if i am shooting a building facade, not straight on, i can rotate the lens to make the tilt L/R, and swing it to bring the facade into focus, then shift down to capture the upper part of the building, keeping the camera level.

    if it is a landscape shot, (either L or P orientation), set the tilt to front/ back to get near-far focus. then if you want to stitch or do image centering, you can only do it l to r.

    for some product shots same orientation of tilt as for landscapes; image centering by shift though is limited to L/R, more limited than a view camera, where you could shift both ways.
    for some product shots, tilt might instead be l/r, then shift would be up/down.

    not sure why anyone would want to set the axes of shift and tilt to be co-axial.
    Last edited by jlm; 18th April 2008 at 09:38.

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    Re: Any 24-PC users?

    Quote Originally Posted by jlm View Post
    ....if it is a landscape shot, (either L or P orientation), set the tilt to front/ back to get near-far focus. then if you want to stitch or do image centering, you can only do it l to r..

    .....not sure why anyone would want to set the axes of shift and tilt to be co-axial.
    Jlm - Thanks. Regarding the 'co-axial' speculation, how about a fairly typical landscape scene needing to be shot in 'landscape format' with a levelled camera:

    A fairly close object/flower/rock [whatever], a required redistribution of the DOF from the 'whatever' to far ground [by Scheimpflug tilt around a horizontal axis], and a required lens shift downwards [as in lens-drop] to reframe the shot. In this example, distant trees or buildings will retain their verticality with the correct plane of focus selected.

    How's the focus on a D300....anyone?

    .............. Chris

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    Re: Any 24-PC users?

    Quote Originally Posted by David K View Post
    I use this lens on the D3 and Guy had it for a while on the D300. Great lens for my application which is stitching via shift left and right. Gives an equivalent FOV of about 14mm lens on the D3. Sharp, great color, easy as pie to focus using Live View. Hope this helps.
    One thing I noted with the D300 is that if you have the lens oriented for left to right shift the adjustment screw prevents the lens from being mounted! The prism overhang is not tall enough relative to the mount for the screw to clear.

    Woody

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    Re: Any 24-PC users?

    you might try rotating 180 degrees by pressing the little lever; that would put the drive knob at the bottom and the lock knob, which is smaller, at the top.
    it clears on the D3 both ways

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    Re: Any 24-PC users?

    cris; that is the only reason I can think of as well

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    Re: Any 24-PC users?

    Chris, re. focus on D300: I suggest you try it for yourself. I just had a play then; using the standard finder. Shift, obviously, is even easier to see effects of than the D3 (with the finder grid lines enabled; the D3 does not have this option.

    Re. Scheimpflug: you can see this effect clearly, too, but IMHO, this is the one you will want to test for yourself. "Clear" to me might be "mud" to you.

    The alternative is to use Live View (which I have no experience in), but which does allow (from memory near-pixel or pixel level magnification. Good luck.

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    Re: Any 24-PC users?

    Kit - Thank you, all feedback helps. I don't have access to the lens to try the combination with a D300 but they suggest themselves as a wonderful landscape combination [that's urban, post-industrial, and more traditional]. I will need to confirm that focusing is comfortable for me, and I would need the tilt axis rotated, but the feedback within this thread has been very useful.

    I notice that Luminous Landscape plan to review the lens, I suspect the issue of whether there is a way for users to swop the tilt axis 'in the field' will be well covered. For those of us who photograph landscapes and buildings, in both landscape and portrait modes; the tilt axis will be incorrectly set in the wrong plane 50% of the time - which does not sound like a good design feature to me.

    Thanks to everyone who contributed to this thread on what for most people is a specialist lens.

    ................... Chris

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    Re: Any 24-PC users?

    Quote Originally Posted by jlm View Post
    you might try rotating 180 degrees by pressing the little lever; that would put the drive knob at the bottom and the lock knob, which is smaller, at the top.
    it clears on the D3 both ways
    Yes John this works.

    The clearance of the D3 from the bottom of the prism to the mounting flange is significantly larger than the D300 so is no issue regardless of how the lens is set.

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